MAX6385XS17D7-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, Precision, Adjustable Threshold
• Package: SOT23-5
• Essence: Monitors voltage levels and provides a digital output based on the threshold set by the user.
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: Adjustable from 1.2V to 4.9V in 100mV steps
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)
• Output Type: Active-Low Open-Drain
• Accuracy: ±1.5% (typical)

Detailed Pin Configuration

The MAX6385XS17D7-T has a total of 5 pins:

1. GND: Ground connection
2. VCC: Supply voltage input
3. TH: Threshold voltage adjustment pin
4. RESET: Active-low open-drain reset output
5. MR: Manual reset input

Functional Features

• Monitors the voltage level at the TH pin and compares it with the internally set threshold voltage.
• When the voltage at the TH pin falls below the threshold, the RESET pin is pulled low, indicating a reset condition.
• The threshold voltage can be adjusted using an external resistor divider connected to the TH pin.
• Provides a manual reset option through the MR pin.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows for flexibility in various applications.
• Adjustable threshold voltage enables customization according to specific requirements.
• Low quiescent current ensures minimal power consumption.
• Active-low open-drain output allows for easy interfacing with other devices.

Disadvantages

• Limited accuracy of ±1.5% may not be suitable for highly precise applications.
• SOT23-5 package may have size constraints in certain designs.

Working Principles

The MAX6385XS17D7-T is a voltage monitor IC that operates by comparing the voltage at the TH pin with an internally set threshold voltage. When the voltage at the TH pin falls below the threshold, the RESET pin is pulled low, indicating a reset condition. The threshold voltage can be adjusted using an external resistor divider connected to the TH pin. Additionally, the MR pin provides a manual reset option.

Detailed Application Field Plans

The MAX6385XS17D7-T finds applications in various fields where voltage monitoring is required. Some potential application areas include:

1. Battery-Powered Devices: Ensuring proper battery voltage levels to prevent damage or unexpected shutdowns.
2. Power Management Systems: Monitoring power supply voltages to protect sensitive components from overvoltage or undervoltage conditions.
3. Industrial Control Systems: Detecting abnormal voltage levels in control circuits to trigger appropriate actions or alarms.
4. Automotive Electronics: Monitoring critical voltage levels in automotive systems to ensure safe and reliable operation.

Detailed and Complete Alternative Models

1. MAX6386XS17D7-T: Similar to MAX6385XS17D7-T but with adjustable threshold voltage options in 50mV steps.
2. MAX6385XS18D7-T: Same features as MAX6385XS17D7-T but with a different package (SOT23-6).
3. MAX6385XS17D8-T: Similar to MAX6385XS17D7-T but with a higher accuracy of ±1%.

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